"The concept of paranoia is typically associated with aspects such as fantasies of persecution, unjustified jealousy, inflated self-importance, and more. Of course, these are not positive things to feel or experience, and while these attributes are unpleasant, there are countless films about this psychological condition.
The idea of paranoia does allow filmmakers to tackle concepts such as fear, suspicion, and distrust that can spark intriguing discussions, complex storytelling, and striking visuals. Paranoia can lie within relationships, oneself, institutions, or even politics. With a multitude of subjects and themes that paranoia relates to, here is a list of some of the best films regarding paranoia."